Subsequent Events (Details) - Subsequent Event - UCB S. A .	Jan. 18, 2022 USD ($) right $ / shares
Subsequent Event [Line Items]
Business acquisition, share price (in usd per share) | $ / shares	$ 26.00
Number of non-transferrable contingent value rights per share | right	1
Contingent payment amount	$ 2.00
Termination fee	$ 59,000,000